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Blupig · #1 10-26-2011, 04:00 PM

Hello, here's my code:

Code:

#include <iostream>
#include <Windows.h>
using namespace std;

int main(){

	short key;

	do {

		key = GetAsyncKeyState(VK_UP);
		if (key < 0)
			cout << "Up key pressed" << endl;

	} while (1);

	return 0;
}

It works for its purpose (detecting whether the arrow key is pressed), but when it IS pressed, the output outputs like 50 lines. I just want it to output once. I don't like using sleep, because sleep pauses the current thread. That means that if I use sleep(100); then during that 100ms I cannot push the up arrow key again.

Thanks for any help!

EDIT: Just ended up going with getch() from conio.h, it gives me the results I was looking for.

**Govind** · #2 10-28-2011, 07:50 PM

Code:

while(!GetAsyncKeyState(VK_UP))
    ;
// up key was pressed

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